Question

20

The average annual energy cost for a certain home is
$4,334. The homeowner plans to spend $25,000 to
install a geothermal heating system. The homeowner
estimates that the average annual energy cost will
then be $2,712. Which of the following inequalities
can be solved to find t, the number of years after
installation at which the total amount of energy cost
savings will exceed the installation cost?
A) 25,000 > (4,334 - 2,712)
B) 25,000 < (4,334 - 2,712)
C) 25,000 - 4,334 > 2,712t
D) 25,000 >
4,332
2,712t

Answer 1

This is my first question but I think it's c

Explanation:

25,000-4334=20,666

20,666/2712=7.62 which rounds to 8